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INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
INCOME TAXES [Abstract]    
Estimated fair value $ 2,300  
Indemnification asset 2,300  
Unrecognized tax benefits 6,525 $ 6,570
Accrued interest and penalties $ 2,430 $ 2,405